sidespin means rotation around a vertical axis that makes a ball or other object curve in flight. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From side + spin.
noun
- Rotation around a vertical axis that makes a ball or other object curve in flight.“When a right-handed golfer hits a ball with a clockwise sidespin (when viewed from the top), it is called a fade or if extreme a slice and the flight of the ball will curve to the right.”